#include <stdio.h>
foo (int a, int b)
{
int c;
if (a<=b)
c=b-a;
else
c=b+a;
return c;
}
int main()
{
int a=7, b=8, c;
c = foo(a, b);
return 0;
}
#include <stdio.h>
foo (int a, int b)
{
int c;
if (a<=b)
c=b-a;
else
c=b+a;
return c;
}
int main()
{
int a=7, b=8, c;
c = foo(a, b);
return 0;
}